Fully merged CmerasHandler to SettingManger

hadn't the time to check, also refractord every use of cameras handler to settings manager, might have missed

backend/Main.py

@@ -3,14 +3,11 @@ import tornado.ioloop
 from app.ChameleonVisionApp import ChameleonApplication
 from app.classes.SettingsManager import SettingsManager
 from tornado.options import options
-from app.handlers.CamerasHandler import CamerasHandler
 from app.handlers.VisionHandler import VisionHandler
 
 if __name__ == "__main__":
     SettingsManager()
-    # CamerasHandler.init_camera()
-
-
+    
     #VisionHandler().run()
     # SettingsManager().save_settings()